/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
function _default(ecModel) {
    var processedMapType = {};
    ecModel.eachSeriesByType("map", function (mapSeries) {
        var mapType = mapSeries.getMapType();

        if (mapSeries.getHostGeoModel() || processedMapType[mapType]) {
            return;
        }

        var mapSymbolOffsets = {};
        zrUtil.each(mapSeries.seriesGroup, function (subMapSeries) {
            var geo = subMapSeries.coordinateSystem;
            var data = subMapSeries.originalData;

            if (
                subMapSeries.get("showLegendSymbol") &&
                ecModel.getComponent("legend")
            ) {
                data.each(data.mapDimension("value"), function (value, idx) {
                    var name = data.getName(idx);
                    var region = geo.getRegion(name); // If input series.data is [11, 22, '-'/null/undefined, 44],
                    // it will be filled with NaN: [11, 22, NaN, 44] and NaN will
                    // not be drawn. So here must validate if value is NaN.

                    if (!region || isNaN(value)) {
                        return;
                    }

                    var offset = mapSymbolOffsets[name] || 0;
                    var point = geo.dataToPoint(region.center);
                    mapSymbolOffsets[name] = offset + 1;
                    data.setItemLayout(idx, {
                        point: point,
                        offset: offset,
                    });
                });
            }
        }); // Show label of those region not has legendSymbol(which is offset 0)

        var data = mapSeries.getData();
        data.each(function (idx) {
            var name = data.getName(idx);
            var layout = data.getItemLayout(idx) || {};
            layout.showLabel = !mapSymbolOffsets[name];
            data.setItemLayout(idx, layout);
        });
        processedMapType[mapType] = true;
    });
}

module.exports = _default;
